Determines whether the document contains multiple objects. See Change the Current Object in a Document. This is a parameter of the VAPIM_MULTIOBJ message.
#include <kvvapi.h> SendMessage(hWndVAPI, VAPIM_MULTIOBJ, VAPIMWP_MULTIOBJ_CANMULTIOBJ, (LPARAM) (BOOL*) lpbCanMultiObj );
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The handle of the VAPI window. |
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A pointer to a flag that returns |
SendMessage() returns TRUE if the call succeeds, in which case lpbCanMultiObj returns TRUE or FALSE.SendMessage() returns FALSE if the call fails (for example, if there are invalid arguments or if no document is open), in which case lpbCanMultiObj is undefined.Use this message to control the state of a Next Object or Previous Object menu item or toolbar button.
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